code format

src/backend/langflow/__main__.py

@@ -12,8 +12,7 @@ from dotenv import load_dotenv
 from langflow.main import setup_app
 from langflow.services.database.utils import session_getter
 from langflow.services.deps import get_db_service, get_settings_service
-from langflow.services.utils import (initialize_services,
+from langflow.services.utils import initialize_services, initialize_settings_service
-                                     initialize_settings_service)
 from langflow.utils.logger import configure, logger
 from multiprocess import Process, cpu_count  # type: ignore
 from rich import box
@@ -328,18 +327,22 @@ def superuser(
 
 
 @app.command()
-def migration(test: bool = typer.Option(True, help="Run migrations in test mode."),
+def migration(
-                fix: bool = typer.Option(False, help="Fix migrations. This is a destructive operation, and should only be used if you know what you are doing.")
+    test: bool = typer.Option(True, help="Run migrations in test mode."),
+    fix: bool = typer.Option(
+        False,
+        help="Fix migrations. This is a destructive operation, and should only be used if you know what you are doing.",
+    ),
 ):
     """
     Run or test migrations.
     """
     if fix:
-        if not typer.confirm("This will delete all data necessary to fix migrations. Are you sure you want to continue?"):
+        if not typer.confirm(
+            "This will delete all data necessary to fix migrations. Are you sure you want to continue?"
+        ):
             raise typer.Abort()
 
-
-
     initialize_services(fix_migration=fix)
     db_service = get_db_service()
     if not test:

src/backend/langflow/api/utils.py

@@ -1,4 +1,3 @@
-
 from typing import TYPE_CHECKING, List
 
 if TYPE_CHECKING:
@@ -83,8 +82,8 @@ def update_frontend_node_with_template_values(frontend_node, raw_template_data):
 
     return frontend_node
 
-def validate_is_component(flows: List["Flow"]):
 
+def validate_is_component(flows: List["Flow"]):
     for flow in flows:
         if not flow.data or flow.is_component is not None:
             continue
@@ -97,7 +96,6 @@ def validate_is_component(flows: List["Flow"]):
     return flows
 
 
-
 def get_is_component_from_data(data: dict):
     """Returns True if the data is a component."""
     return data.get("is_component")

src/backend/langflow/field_typing/__init__.py

@@ -1,9 +1,27 @@
-from .constants import (AgentExecutor, BaseChatMemory, BaseLanguageModel,
+from .constants import (
-                        BaseLLM, BaseLoader, BaseMemory, BaseOutputParser,
+    AgentExecutor,
-                        BasePromptTemplate, BaseRetriever, Callable, Chain,
+    BaseChatMemory,
-                        ChatPromptTemplate, Data, Document, Embeddings,
+    BaseLanguageModel,
-                        NestedDict, Object, Prompt, PromptTemplate,
+    BaseLLM,
-                        TextSplitter, Tool, VectorStore)
+    BaseLoader,
+    BaseMemory,
+    BaseOutputParser,
+    BasePromptTemplate,
+    BaseRetriever,
+    Callable,
+    Chain,
+    ChatPromptTemplate,
+    Data,
+    Document,
+    Embeddings,
+    NestedDict,
+    Object,
+    Prompt,
+    PromptTemplate,
+    TextSplitter,
+    Tool,
+    VectorStore,
+)
 
 __all__ = [
     "NestedDict",
@@ -27,5 +45,5 @@ __all__ = [
     "Callable",
     "BasePromptTemplate",
     "ChatPromptTemplate",
-    "Prompt"
+    "Prompt",
 ]

src/backend/langflow/field_typing/constants.py

@@ -5,8 +5,7 @@ from langchain.chains.base import Chain
 from langchain.document_loaders.base import BaseLoader
 from langchain.llms.base import BaseLLM
 from langchain.memory.chat_memory import BaseChatMemory
-from langchain.prompts import (BasePromptTemplate, ChatPromptTemplate,
+from langchain.prompts import BasePromptTemplate, ChatPromptTemplate, PromptTemplate
-                               PromptTemplate)
 from langchain.schema import BaseOutputParser, BaseRetriever, Document
 from langchain.schema.embeddings import Embeddings
 from langchain.schema.language_model import BaseLanguageModel
@@ -26,6 +25,7 @@ class Object:
 class Data:
     pass
 
+
 class Prompt:
     pass
 
@@ -48,7 +48,6 @@ LANGCHAIN_BASE_TYPES = {
     "BaseOutputParser": BaseOutputParser,
     "BaseMemory": BaseMemory,
     "BaseChatMemory": BaseChatMemory,
-
 }
 # Langchain base types plus Python base types
 CUSTOM_COMPONENT_SUPPORTED_TYPES = {

src/backend/langflow/interface/custom/code_parser.py

@@ -6,8 +6,7 @@ from typing import Any, Dict, List, Type, Union
 
 from cachetools import TTLCache, cachedmethod, keys
 from fastapi import HTTPException
-from langflow.interface.custom.schema import (CallableCodeDetails,
+from langflow.interface.custom.schema import CallableCodeDetails, ClassCodeDetails
-                                              ClassCodeDetails)
 
 
 class CodeSyntaxError(HTTPException):
@@ -57,9 +56,6 @@ class CodeParser:
             ast.Assign: self.parse_global_vars,
         }
 
-
-
-
     def __get_tree(self):
         """
         Parses the provided code to validate its syntax.
@@ -83,7 +79,6 @@ class CodeParser:
         if handler := self.handlers.get(type(node)):  # type: ignore
             handler(node)  # type: ignore
 
-
     def parse_imports(self, node: Union[ast.Import, ast.ImportFrom]) -> None:
         """
         Extracts "imports" from the code, including aliases.
@@ -154,7 +149,6 @@ class CodeParser:
                 # Handle cases where the type is not found in the constructed environment
                 pass
 
-
         func = CallableCodeDetails(
             name=node.name,
             doc=ast.get_docstring(node),
@@ -164,7 +158,6 @@ class CodeParser:
             has_return=self.parse_return_statement(node),
         )
 
-
         return func.model_dump()
 
     def parse_function_args(self, node: ast.FunctionDef) -> List[Dict[str, Any]]:
@@ -246,7 +239,6 @@ class CodeParser:
 
         return any(isinstance(n, ast.Return) for n in node.body)
 
-
     def parse_assign(self, stmt):
         """
         Parses an Assign statement and returns a dictionary

src/backend/langflow/interface/custom/custom_component.py

@@ -9,7 +9,8 @@ from langflow.interface.custom.component import Component
 from langflow.interface.custom.directory_reader import DirectoryReader
 from langflow.interface.custom.utils import (
     extract_inner_type_from_generic_alias,
-    extract_union_types_from_generic_alias)
+    extract_union_types_from_generic_alias,
+)
 from langflow.services.database.models.flow import Flow
 from langflow.services.database.utils import session_getter
 from langflow.services.deps import get_credential_service, get_db_service
@@ -33,8 +34,6 @@ class CustomComponent(Component):
         self.cache = TTLCache(maxsize=1024, ttl=60)
         super().__init__(**data)
 
-
-
     def custom_repr(self):
         if self.repr_value == "":
             self.repr_value = self.status
@@ -75,8 +74,6 @@ class CustomComponent(Component):
     def validate(self) -> bool:
         return self._class_template_validation(self.code) if self.code else False
 
-
-
     @property
     def tree(self):
         return self.get_code_tree(self.code)
@@ -109,8 +106,6 @@ class CustomComponent(Component):
         if not self.code:
             return []
 
-
-
         component_classes = [cls for cls in self.tree["classes"] if self.code_class_base_inheritance in cls["bases"]]
         if not component_classes:
             return []
@@ -124,7 +119,6 @@ class CustomComponent(Component):
         if not build_methods:
             return []
 
-
         return build_methods[0]
 
     @property
@@ -156,7 +150,6 @@ class CustomComponent(Component):
         if not self.code:
             return ""
 
-
         base_name = self.code_class_base_inheritance
         method_name = self.function_entrypoint_name
 
@@ -175,7 +168,6 @@ class CustomComponent(Component):
         if not self.code:
             return {}
 
-
         attributes = [
             main_class["attributes"]
             for main_class in self.tree.get("classes", [])
@@ -222,8 +214,7 @@ class CustomComponent(Component):
         return validate.create_function(self.code, self.function_entrypoint_name)
 
     async def load_flow(self, flow_id: str, tweaks: Optional[dict] = None) -> Any:
-        from langflow.processing.process import (build_sorted_vertices,
+        from langflow.processing.process import build_sorted_vertices, process_tweaks
-                                                 process_tweaks)
 
         db_service = get_db_service()
         with session_getter(db_service) as session:

src/backend/langflow/interface/types.py

@@ -29,8 +29,7 @@ from langflow.interface.vector_store.base import vectorstore_creator
 from langflow.interface.wrappers.base import wrapper_creator
 from langflow.template.field.base import TemplateField
 from langflow.template.frontend_node.constants import CLASSES_TO_REMOVE
-from langflow.template.frontend_node.custom_components import \
+from langflow.template.frontend_node.custom_components import CustomComponentFrontendNode
-    CustomComponentFrontendNode
 from langflow.utils.util import get_base_classes
 from loguru import logger
 

src/backend/langflow/services/database/service.py

@@ -153,7 +153,7 @@ class DatabaseService(Service):
 
         try:
             command.check(alembic_cfg)
-        except util.exc.AutogenerateDiffsDetected as exc:
+        except util.exc.AutogenerateDiffsDetected:
             logger.exception("AutogenerateDiffsDetected: {exc}")
             if not fix:
                 raise RuntimeError("Something went wrong running migrations. Please, run `langflow migration --fix`")
@@ -169,7 +169,6 @@ class DatabaseService(Service):
                 command.check(alembic_cfg)
                 break
             except util.exc.AutogenerateDiffsDetected as exc:
-
                 # downgrade to base and upgrade again
                 logger.warning(f"AutogenerateDiffsDetected: {exc}")
                 command.downgrade(alembic_cfg, f"-{i}")
@@ -177,8 +176,6 @@ class DatabaseService(Service):
                 time.sleep(3)
                 command.upgrade(alembic_cfg, "head")
 
-
-
     def run_migrations_test(self):
         # This method is used for testing purposes only
         # We will check that all models are in the database

src/backend/langflow/services/utils.py

@@ -2,8 +2,7 @@ from langflow.services.auth.utils import create_super_user, verify_password
 from langflow.services.database.utils import initialize_database
 from langflow.services.manager import service_manager
 from langflow.services.schema import ServiceType
-from langflow.services.settings.constants import (DEFAULT_SUPERUSER,
+from langflow.services.settings.constants import DEFAULT_SUPERUSER, DEFAULT_SUPERUSER_PASSWORD
-                                                  DEFAULT_SUPERUSER_PASSWORD)
 from loguru import logger
 from sqlmodel import Session
 
@@ -16,8 +15,7 @@ def get_factories_and_deps():
     from langflow.services.chat import factory as chat_factory
     from langflow.services.credentials import factory as credentials_factory
     from langflow.services.database import factory as database_factory
-    from langflow.services.session import \
+    from langflow.services.session import factory as session_service_factory  # type: ignore
-        factory as session_service_factory  # type: ignore
     from langflow.services.settings import factory as settings_factory
     from langflow.services.store import factory as store_factory
     from langflow.services.task import factory as task_factory
@@ -173,8 +171,7 @@ def initialize_session_service():
     Initialize the session manager.
     """
     from langflow.services.cache import factory as cache_factory
-    from langflow.services.session import \
+    from langflow.services.session import factory as session_service_factory  # type: ignore
-        factory as session_service_factory  # type: ignore
 
     initialize_settings_service()